1371results about How to "Small attenuation" patented technology

The invention provides a manufacture method for polarization maintaining fiber and a polarization maintaining fiber, and relates to optical waveguide fibers in the field of fiber-optical communication and fiber optical sensors. The method comprises the following steps that: (1) two oppositely arranged open slots with a same shape are inwardly provided at a side surface of a glass mother rod, stress rods are machined to obtain a shape matching the open slots, and the centers of the cross sections of the two open slots and the center of circle in the cross section of the glass mother rod are in a same line; (2) the stress rods are respectively inserted into each open slot on the glass mother rod, and the assembled glass mother rod and stress rods are put in a cannula to form a preformed rod of the polarization maintaining fiber; (3) the preformed rod of the polarization maintaining fiber is drew to form the polarization maintaining fiber. According to the invention, the glass mother rod is provided with the open slots, and the stress rods are embedded in the open slots, thereby obtaining high process repeatability; inner surfaces of the open slots have high fineness, and the open slots have good symmetry, thereby improving processing efficiency; therefore, the optical performance and reliability of the polarization maintaining fiber are substantially improved.

A filter arrangement for use in a multiband dual-mode mobile phone. In particular, the mobile phone is operable in a W-CDMA mode and a band-reject filter comprising at least a series and a shunt acoustic-wave resonators is used to create a deep notch at the receive frequency band. The band-reject filter further includes a plurality of inductive elements for matching static capacitance of the resonators at the passband frequency. The mobile phone is also operable in 1800 and 1900 GSM bands. The band-reject filter is operatively connected to a harmonic trap in order to eliminate the third harmonic of these GSM bands. The mobile phone is also operable in the lower GSM band, for which a harmonic filter can share an antenna path with the band-reject filter.

The invention relates to a power frequency communication method for a distribution network and a system using the method, firstly, installing a master-slave type communication system which comprises a master station device, a power distribution network and a plurality of user end transceivers, carries modulated information by using weak distortion of waveforms of current and voltage near a zero-crossing point of a power frequency of an electric network, takes the modulated information as part of sine wave of alternating current, takes middle and low voltage distribution network as a medium of information transmission, and uses a mode of half duplex for a both-way communication, so that the master-slave type communication system can penetrate a transformer with power frequency wave with low consumption to achieve a communication over distribution transformers without relaying, has the characteristics of far transmission distance, strong capability of anti-interference, simple device and small investment, and solves the problem that the prior signal of a power line carrier communication is hard to penetrate the distribution transformer to transmit over distribution transformers. The method and the system can be widely used in fields, such as remote meter reading of data of a water meter, an electricity meter and a gas meter, electric power load controlling, electric energy remote collecting, etc.

An off-resonance photoacoustic spectrometric detection and analysis device consists of a photoacoustic spectrometric module (8). The photoacoustic spectrometric module (8) comprises a light source module (2-1), a photoacoustic signal generation module (2-2), an optical power measurement module (2-3) and a fault diagnostic analysis module (2-4). Optical signals generated by an infrared incoherence light source in the light source module (2-1) are focused by an ellipsoidal reflector to form a focused light beam, the focused light beam is modulated into light of specific frequency and wavelength by chopping blades of an optical chopper and optical filters and then transmitted to the photoacoustic signal generation module (2-2), and the fault diagnostic analysis module (2-4) calculates each gas concentration according to to-be-tested gas photoacoustic signals generated by irradiation, diagnoses faults and alarms. The off-resonance photoacoustic spectrometric detection and analysis device can be used for quantitative detection of gases such as SF6, CF4, SO2F2, SOF2, SO2, SF4 and H2O and is applicable to onsite online monitoring.

The invention relates to an underwater LED (light-emitting diode) visible light communication system. The underwater LED visible light communication system comprises a water-proof and sealed transmitting device and a water-proof and sealed receiving device which are placed underwater; the transmitting device comprises a light source and a control unit for modulating a light signal emitted by the light source according to information to be transmitted; and the receiving device comprises a light receiving unit for receiving the modulated light signal from the transmitting device, and a demodulating unit for demodulating the received modulated light signal so as to restore the transmitted information. According to the technical solution, by modulating the transmitted information into the light signal, underwater wireless optical communication is achieved, thus not only improving the transmission rate and reducing the size and attenuation, but also avoiding interference to a human body and surrounding electronic equipment and achieving dual functions of lighting and communication.

An embodiment of the invention provides a pattern recognition device and electronic equipment and relates to the technical field of display with an aim to improve accuracy in pattern recognition. The pattern recognition device can be applied to fingerprint recognition process. The pattern recognition device comprises a first substrate and a backlit structure which are arranged on an opposite manner, the first substrate is located on the light dipping side of the backlit structure, the surface, deviating from the backlit structure, of the first substrate is provided with a pattern collecting surface, and multiple photoelectric sensors are arranged on the first substrate; the backlit structure is used for giving out collimated light, and the collimated light, after sent out from the pattern collecting surface of the first substrate, is reflected to the photoelectric sensors via patterns.

The invention discloses a micro-strip rectangular double annular circular-seam resonator-based frequency selectivity surface structure, which comprises a micro-strip rectangular double annular circular-seam resonator unit and a medium substrate, wherein a micro-strip rectangular double annular circular-seam resonator is arranged on one side or both sides of the medium substrate or clamped betweenmedium layers, and is provided with circular seams in different directions. In a working process, electromagnetic waves in different directions enter the frequency selectivity surface structure. The structure has the advantages of small size, adjustable resonance frequency, capability of realizing omnidirectional response to electromagnetic waves and the like.

The invention discloses a probe of a terahertz treatment instrument. The probe comprises a terahertz generator, a wave collecting lens and a suction disc, wherein the terahertz generator comprises a generator main body and a waveguide window, wherein the generator main body is used for generating terahertz waves; the waveguide window is arranged on the generator main body; the terahertz waves generated by the generator main body are emitted through the waveguide window; the wave collecting lens is arranged on the waveguide window, covers the waveguide window and is used for collecting the terahertz waves; the suction disc is of a bowl structure; a first through hole is formed in the bottom of the suction disc; the bottom of the suction disc is arranged on the wave collecting lens; the waveguide window penetrates through the first through hole and enters the suction disc; and the suction disc is adsorbed to a predetermined treatment part. The probe of the terahertz treatment instrument is closer to skin surface during treatment, so that when the emitted terahertz waves reach the skin surface of the predetermined treatment part, energy decrement is low and energy is still high. Meanwhile, the invention further provides the terahertz treatment instrument.

The invention discloses a liquid crystal display panel and a display device, which are used for reducing capacitance between each of a GOA (Gate On Array) circuit and a clock signal wire on an array substrate and a common electrode on a color film substrate, and reducing the driving load of the liquid crystal display panel. The liquid crystal display panel comprises the color film substrate and the array substrate which are oppositely arranged, and a liquid crystal layer located between the color film substrate and the array substrate; the array substrate comprises the array substrate horizontal drive GOA circuit located on the periphery area, and the clock signal wire which is connected with the GOA circuit and is used for supplying clock signals for the GOA circuit; one side, close to the array substrate, of the color film substrate is provided with the common electrode covering the whole color film substrate; areas / an area, corresponding to the GOA circuit and / or the clock signal wire, of the common electrode are / is hollowed out and are / is provided with set patterns.

The invention relates to a quinoxaline unit containing organic thermally activated delayed fluorescent material and an application thereof. The organic thermally activated delayed fluorescent material, which contains a quinoxaline unit and has good light emitting performance, is obtained through carrying out multiaspect modification by taking quinoxaline with high electrophilicity as a core and constructing different D-A structures by particularly introducing fluorine atoms with high electro-withdrawing power to molecular design for the first time, so that efficient light-emitting elements are obtained, and the thinking of people that conventional fluorescent materials are free of halogens is broken through. The organic thermally activated delayed fluorescent material is simple in synthesis and high in yield and has the advantages of practical large-scale production and application. The [delta]E(S1-T1) of the organic thermally activated delayed fluorescent material is not greater than 0.65eV, so that the organic thermally activated delayed fluorescent material can be applied to the evaporation-coating of devices and can also be applied to the spin-coating of the devices. Electroluminescent elements and luminescent devices with high efficiency, high brightness, low-efficiency attenuation and low trigger voltage are provided through using the novel thermally activated delayed fluorescent material, so that the organic thermally activated delayed fluorescent material can be extensively applied to the field of organic electroluminescence.

The invention discloses a display panel and a display device, belonging to the technical field of display, comprising: a substrate; a driver device layer, a light emitting device layer, an encapsulation layer and a light scattering layer arranged on the substrate; a light emit device layer include a plurality of first color light emitting units and a plurality of second color light emitting unit.The wavelength of the first color light emitted by the first color light emitting unit is lambda 1, and the wavelength of the second color light emitted by the second color light emitting unit is lambda 2, lambda 2 (lambda 1; a light scatter layer include a plurality of light scattering units; a light scattering unit overlapping with the first color light emitting unit in a direction perpendicularto the substrate is a first light scattering unit. In the first light scattering unit, the distribution density of scattering particles in the substrate is Rho 1, and the relative refractive index ofthe scattering particles is N1; Where 5% <= Rho 1 <= 30% and / or N 1 >= 0. 5. The invention can improve the color deviation phenomenon of the display panel, thereby improving the display quality of the display panel.

The invention provides an OELD (Organic Electron Luminescence) display device and a display method thereof and relates to the technical field of display, and the display device can be used for solving the problem that subpixels in different colors of an existing display device are different in decay rate along with different display time, and thus the display white balance of the display device is subjected to red deviation. According to the display method of the OELD display device, each pixel unit of the display device at least comprises subpixels with red, green and blue base colors. The method comprises the following steps: when each pixel unit in a first region of a display image only drives and lightens the blue subpixel, reducing a corresponding gray-scale value of the blue subpixel of the first region; and / or when each pixel unit in a second region of the display image only drives and lightens the red subpixel, improving a corresponding gray-scale value of the red subpixel of the second region; and / or when each pixel unit in a third region of the display image only drives and lightens the green subpixel, improving a corresponding gray-scale value of the green subpixel of the third region.

The invention provides a shifting register and an array substrate grid drive device. The shifting register is of a structure for multi-stage connection of the same shifting register units, wherein each shifting register unit comprises an input module responding to an input signal, an output module responding to an upward pull node, a reset module responding to a reset signal, a first upward pull module responding to a first clock signal, a second upward pull module responding to a downward pull node voltage signal, a first downward pull module responding to a first upward pull node voltage signal, a second downward pull module responding to an upward pull node voltage signal, a control module responding to a second clock signal and a retaining module responding to the first clock signal and a second downward pull node. The working loss of the shifting register can be reduced, attenuation of a second downward pull voltage signal is reduced, and accordingly the stability of the shifting register in working is improved.

The invention relates to a low-attenuation few-mode fiber. The low-attenuation few-mode fiber is that two core layers are provided; three wrapping layers ware arranged at the outsides of the core layers from inside to outside; the relative refractive rate difference delta 1 of the first core layer is 0.30 to 0.42%, and the radius R1 is 5.4 to 8 microns; the relative refractive rate difference delta 2 of the second core layer is 0.20 to 0.25%, and the radius R2 is 10 to 13 microns; the first wrapping layer is an inner wrapping layer which is closely arranged around the core layers, the relative refractive rate difference delta 4 is -0.02 to 0.02%, and the radius R4 is 13.6 to 17 microns; the second wrapping layer is a sunken wrapping layer which is arranged closely around the inner wrapping layers, the relative refractive rate difference delta 5 is -0.8 to 0.4%, and the radius R5 is 17.5 to 30 microns; the third wrapping layer is an outer wrapping layer which is arranged closely around the sunken wrapping layer and is a pure quartz glass layer. The low-attenuation few-mode fiber supports four stable transmission modes under 1550nm, is relatively small in DGD, simple in process, convenient to manufacture, relatively low in attenuation and relatively high in bending resistance.

The invention provides a high-voltage direct current broadband domain corona current measurement system. The high-voltage direct current broadband domain corona current measurement system comprises a sampling resistance sensor, an extra-high voltage local measurement unit, an optical fiber transmission unit, a safe location measurement unit and an upper computer. The sampling resistance sensor samples the corona current signals of a high-voltage direct current, and converts the corona current signals to voltage signals. The extra-high voltage local measurement unit collects the voltage signals, and optical signals are obtained through photovoltaic conversion. The optical signals are transmitted to the safe location measurement unit through the optical fiber transmission unit. The safe location measurement unit converts the optical signals to the voltage signals. The upper computer processes, stores and displays the voltage signals. The high-voltage direct current broadband domain corona current measurement system has the advantages of being wide in measured frequency range, strong in capability of resisting electromagnetic interference and the like and can have a long-term and stable operation under the environment of extra-high voltage direct current and under the condition of all kinds of bad natural environment conditions, and provides effective technical means for further research of high voltage direct current corona characteristics.

The invention discloses a composite of graphene and a conducting polymer. The composite comprises a base body; a graphene layer and a conducting polymer layer are arranged in sequence on the surface of the base body, or the conducting polymer layer and the graphene layer are arranged in sequence on the surface of he base body. A preparation method of the composite comprises the following steps: transferring the graphene onto the surface of the base body first, then coating the graphene with the conducting polymer; or coating the surface of the base body with the conducting polymer first, then transferring the graphene onto the conducting polymer; baking to obtain the composite of the graphene and the conducting polymer. According to the invention, the composite is simple in preparation process and can lower sheet resistance obviously after the graphene is transferred; the stability is excellent, that is, even though the composite is placed for a long time, attenuation of the sheet resistance of the graphene is extremely small, and the sheet resistance attenuation ratio of the composite placed for 30 days is less than 10%.

The invention discloses an extendable embedded type device for fixing and recovering a microseismic sensor and method of using the same. The device comprises three parts of a protective cover, a connecting sleeve, an extendable supporting and fixing structure. The protective cover is composed of a fit cone, a fixing shaft and a cover wall with a mesh. Two ends of the connecting sleeve are respectively provided with internal and external threads. The extendable supporting and fixing structure is composed of a supporting shaft, a connecting ring, a "skeleton", a limit bolt, a limit groove, a supporting pipe, an elastic rod, an elastic cap with a baffle and an elastic shaft. The fit cone at one end of the protective cover is in close contact with coal. A microseismic sensor is located in the protective cover and fixed on the fixing shaft of the protective cover. The other end of the protective cover is connected with one end of the connecting sleeve through the internal thread. The other end of the connecting sleeve is connected with the supporting shaft of the fixing structure through the internal thread. The elastic cap with the baffle is screwed on, the elastic rod is supported tightly, and the supporting pipe is pushed to enable the "skeleton" to open so that the entire device is embedded, supported and fixed into the coal of a drilling hole. In the recovery, the elastic cap is screwed off, the supporting pipe is pulled to enable the "skeleton" structure to close, and the elastic rod, the connecting sleeve, the protective cover and the senor are removed in sequence.

The invention discloses a prediction method and a prediction system of charging current of a lithium battery, and a charging device. The method comprises steps of by taking the minimization of decrement of battery capacity and shortest charging time as objectives, constructing a charging target function; acquiring the real measurement body temperature of a battery and the real measurement environment temperature of a battery service environment in the kth charging period; according to the real measurement body temperature and the real measurement environment temperature, predicting the prediction body temperature of each battery in each charging period between the k+1th charging period and the k+pth charging period, wherein p represents the prediction step lcength of a model prediction control method; and according to the charging target function and each prediction body temperature, using the model prediction control method to predict the optimal charging current in the k+1th chargingperiod where the charging target function is smallest. According to the invention, by charging the lithium battery by use of the predicted optimal charging current, the charging time can be shortened, the charging speed is increased, the decrement of the battery capacity can be reduced and the service lifetime of the battery is prolonged.

A device to detect defects of magnetic conducting structures based on magnetoconstriction torsional waves belongs to an ultrasonic nondestructive detector, which overcomes shortcomings of high guide wave attenuation of vertical mode and remarkable frequency dispersion effect. During detection, it is unnecessary to process surfaces of the structure. The present invention comprises a pulse signal generator, a power amplifier, a magnetoconstriction torsional wave sensor, a signal preprocessor, an A / D converter and a computer. Wherein, the magnetoconstriction torsional wave sensor is composed of an excitation unit and a receiving unit. The computer controls generation of pulse signals. The pulse signal is amplified by the power amplifier and then generates torsional waves in the structure through the excitation unit. The receiving unit receives the torsional wave from the structure, which is processed by the signal preprocessor and then converted into digital signals by the A / D converter. The computer obtains defect information of the structure. The present invention can conveniently excite and receive torsional waves, detect defects along axis of the structure and adapt to long-distance detection of clad pipes and cables with PE jacket.

The invention relates to a low-attenuation bending insensitive single mode fiber which comprises a core layer and wrapping layers. The low-attenuation bending insensitive single mode fiber is characterized in that the relative refractive index difference delta1 of the core layer ranges from 0.30% to 0.38%, the radius R1 of the core layer ranges from 3.5 micrometers to 4.5 micrometers, the four wrapping layers are arranged outside the core layer, the first wrapping layer is a first inner wrapping layer tightly surrounding the core layer, the relative refractive index difference delta2 of the first wrapping layer ranges from -0.02% to 0.02%, the radius R2 of the first wrapping layer ranges from 6.5 micrometers to 8.5 micrometers, the second wrapping layer is a second inner wrapping layer tightly surrounding the first inner wrapping layer, the relative refractive index difference delta3 of the second wrapping layer ranges from -0.02% to 0.02%, the radius R3 of the second wrapping layer ranges from 8 micrometers to 11 micrometers, the third wrapping layer is a downwards-concave wrapping layer tightly surrounding the second inner wrapping layer, the relative refractive index difference delta4 of the third wrapping layer ranges from -0.5% to -0.2%, the radius R4 of the third wrapping layer ranges from 12 micrometers to 20 micrometers, and the fourth wrapping layer is an outer wrapping layer tightly surrounding the downwards-concave wrapping layer and is a pure quartz glass layer. The low-attenuation bending insensitive single mode fiber can be completely matched with a G.652.D optical fiber, and therefore the low attenuation, the large effective area and the bending resistance can be better unified.

The invention relates to a PA6 (polyamide 6) type thermoplastic elastomer and a preparation method thereof, in particular to a PA6 type thermoplastic elastomer containing polyether and diisocyanate blocks and a preparation method thereof, more particularly to a method for preparing a block copolymer thermoplastic elastomer by firstly preparing PA6 and diisocyanate hard blocks by adopting a hydrolysis ring-opening polymerization method and then carrying out esterification and polycondesation with polyether soft blocks. The PA6 type thermoplastic elastomer comprises the hard blocks consisting of the PA6 and the diisocyanate blocks, polyol soft blocks, hard blocks and soft blocks, which alternately exist in the thermoplastic elastomer; and the hard blocks consisting of the PA6 and the diisocyanate blocks comprise two PA6 segmers and one diisocyanate block. The PA6 type thermoplastic elastomer has high tenacity, strong abrasive resistance and good elasticity. The preparation method of the PA6 type thermoplastic elastomer has simple process, one-step hydrolysis of reaction, higher molecular weight, good elasticity, adjustable Shore hardness, good abrasive resistance, good erasure effect and reduced damp attenuation.

The invention discloses a dope-transferring method for reducing the sheet resistance of graphene. According to the method, a graphene film on a transfer film is doped with a doping reagent, the doped graphene film is transferred to a target substrate, and at least two graphene films are transferred by repeating the steps. Graphene on the transfer film can also be undoped, or different doping reagents can be used for multiple times of transferring in different permutation and combination sequences. By means of the method, a large-area low-sheet-resistance graphene material can be obtained conveniently and quickly, the obtained material is high in conductivity and stability, and meanwhile, sheet resistance reduction caused after dope-transferring of graphene can be effectively reduced or even avoided.

A method for testing the pulsatile endurance of a vascular implant 3 comprises placing a resilient insert 4 into the implant and repeatedly expanding and contracting the insert, thereby expanding and contracting the implant. The insert preferably has a cavity therein and is repeatedly expanded and contracted by repeatedly increasing and decreasing the pressure in the cavity.

There is disclosed an endoscopic instrument comprising a shaft having a distal end at which at least one optical sensor is arranged and a proximal end configured for a connection to a supply unit, further comprising a data transmission element which is provided between the at least one optical sensor and the proximal end and which is configured to differentially transmit at least two signals. The data transmission element is embodied as a star quad cable.

The invention belongs to the technical field of non-destructive testing and relates to an ultrasonic testing method used for composite material foaming structures. According to the method, ultrasonic waves formed by a large number of shock pulse waves in the composite material foaming structures are utilized, and by constructing transfer functions of the ultrasonic waves in the composite material foaming structures, the arithmetical relationship between the ultrasonic waves and different part defects of the composite material foaming structures is set up to carry out defect discriminating and ultrasonic testing; the shock pulse ultrasonic waves of different types, intensities and frequencies and ultrasonic testing achieving methods can be selected, and the different composite foaming structures can be tested in an ultrasonic mode. Actual testing results show that the sensitivity, the resolution and the ability of composite material foaming structure testing are remarkably improved, the defects and the combination conditions of skin, skin / foam cementing areas, foam / foam cementing areas and foam areas can be tested accurately, the testing reliability is greatly improved, and the foam testing thickness can be 100 mm.

The invention discloses a detection terminal for improving the efficiency of station area topology identification and the precision of line loss, comprising a management terminal, a topology identification terminal and a handheld PDA device, wherein, the topology identification terminal is used for acquiring electric energy and topology data of a branch access point and uploading the power and topology data to the management terminal; A handheld PDA device for transmitting binding information between the topology identification terminal and the branch access point to the management terminal; The management terminal is configured to draw a topology map according to the received power and topology data and the binding information between the topology identification terminal and the branch access point. The invention solves the problem of large fluctuation of line loss rate detection in the prior art, In order to improve the efficiency of topology identification and the precision of lineloss, the power frequency communication technology is used to measure, collect, store and transmit the topology information of low voltage distribution, which improves the high quality and high efficiency management of power supply enterprises to customers.

The invention discloses a method of fault diagnosis on a ball socketed bearing of a steel-making converter by comprehensive analysis. The method carries out fault diagnosis on the ball socketed bearing of the steel-making converter by using vibration signal analysis and grease oil analysis. The method comprises the following steps of: firstly, selecting evenly distributed measuring points on the periphery of the outer ring of the bearing, and then punching bearing seats at the measuring points; carrying out resonance demodulation and wavelet noise reduction analysis on acquired bearing vibration signals; firstly, selecting centre frequency and bandwidth according to frequency bands generated in resonance peaks in a frequency spectrogram to carry out bandpass filtering, and then carrying out wavelet noise reduction and Hilbert demodulation treatment on the filtered signals; on the basis of detecting the conventional typical properties, carrying out qualitative and quantitative analysis on the components and the content of metal wearers in oil samples by using spectrum analysis and ferrographic analysis, and judging according to the detection result; and comparing and synthesizing two analysis results to make a fault diagnosis report. The invention can effectively increase the accuracy of fault diagnosis, thereby being beneficial to discovering fault hidden troubles as early as possible and avoiding major accidents happening.

The invention relates to a low-attenuation and few-mode fiber. A core layer has three layers and comprises three claddings from inside to outside; the relative refractive index difference delta 1 of a first core layer is 0.34%-0.45%, R1 ranges from 4.5 mu m to 7.5 mu m, the relative refractive index difference delta 2 of a second core layer is 0.20%-0.29%, R2ranges from8 mu m to 10 mu m, the relative refractive index difference delta 3 of a third core layer is 0.15%-0.24%, R3 ranges from 10 mu m to 13 mu m, the relative refractive index difference delta 4 of a first cladding is minus 0.02%-0.02%, R4 ranges from14 mu m to 18 mu m, the second cladding is a concave cladding, the relative refractive index difference delta 5 of the second cladding is minus 0.8%-minus 0.4%, R5 ranges from19 mu m to 31 mu m, and a third cladding is a pure quartz glass layer. According to the low-attenuation and few-mode fiber, four stable transmission modes are supported within 1550 nm, small DGD is provided, the process is simple, and the manufacturing is easy; at the same time, the low-attenuation and few-mode fiber has low attenuation and better bending resistance.

The present invention provides a covered electric wire having a covering excellent in electrical characteristics and thermal stability as well as in crack resistance. The present invention is related to a covered electric wire comprising a core wire covered with a tetrafluoroethylene [TFE]-based copolymer comprising TFE-derived TFE units and perfluoro (alkyl vinyl ether) [PAVE]-derived PAVE units, a content of said PAVE unit being in excess of 5% by mass and not higher than 20% by mass relative to all monomer units, containing less than 10 unstable terminal groups per 1×106 carbon atoms, and having a melting point of not lower than 260° C.

The invention relates to a zoom lens imaging apparatus and method. The apparatus includes at least two zoom imaging units, a channel selector connected with the zoom imaging units; and a control unit connected with the zoom imaging units and the channel selector. Focal lengths of the zoom imaging units increase progressively in sequence, and the focal lengths of two adjacent zoom imaging units partially overlap. The channel selector is used for selecting and taking signals outputted by at least one zoom imaging units as the output. The control unit is used for controlling the focal length between the zoom imaging unit imaging at the moment and the zoom imaging unit imaging at the next moment to sequentially overlap with focal lengths between each two zoom imaging units within the former focal length, and also for controlling the channel selector to switch from taking the zoom imaging unit imaging at the moment as a signal input end sequentially to taking the zoom imaging unit imaging at the next moment as the signal input end. The zoom lens imaging apparatus and method can be used for reducing the attenuation effects of a zoom lens with a wide-range focal length on the environmental illumination.